دانلود کتاب Color Television Troubleshooting

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This book has been written to provide comprehensive and up to date information on servicing colour television receivers. The book which is in two parts includes the basic principles of colour television and their servicing. The principles of colour television have been discussed in the first part of the book in simple language. The second part provides detailed information on the circuits and servicing of colour television receivers. The functions of the various stages of a colour television receiver have been discussed in chapter 1. The operating controls and their correct setting have been discussed in the next chapter. Colour television receivers have four indications—raster, black and white picture, colour and sound. Locating the defective stage/ section from abnormalities in these have been discussed in chapter three. The instruments needed for colour TV servicing and their applications have been discussed in next two chapters. Functions of various stages, their circuits, various defects and step-by-step troubleshooting have been discussed in the next ten chapters. Adjustment of servicing controls is an important part of servicing of colour TV receivers. This has been discussed in chapter sixteen. A resume of fault finding techniques, safety precautions and some actual case histories are given in the last chapter. The common faults noticed in some TV receivers and pin voltages of some selected ICs used in various models of colour TV receivers are given in the two appendices. This is followed by a glossary of common terms used in colour television. Complete circuits of four selected models of colour TV receivers have been included in the book for ready reference. The book is expected to be useful to all those interested in colour television and their servicing. Table of Contents Chapter 1. Introduction 2. Colour Fundamentals 3. Basic Colour Television Systems 4. PAL Colour Television System 5. Colour Picture Tube 6. Main Features of Colours Television Part 2. Servicing 1. Working of a Colour Television Receiver 2. Operating Controls in Colour Television Receiver 3. Locating the Faculty Stage Fault Symptoms 4. Colour TV Testing and Servicing Instruments – I Multmeters 5.Colour TV Testing and Servicing Instruments – II Colour Pattern Generators 6. Power Supply - I 7. Power Supply – II 8. Video IF Section 9. Sound Section 10. Video Amplifier 11. Chroma Section – I 12. Chroma Section – II 13. Colour Signal Output Stages 14. Picture Tube Stage 15. Sweep Section 16. Servicing Controls, Their Adjustment and Demagnetising the Picture Tube 17. General Procedure, Safety Precautions And Some Case Histories Appendix Part 3. Remote Control Systems 1. Introduction 2. Operating Controls in a Remote Controlled CTV. 3. Remote Systems 4. Remote Control Unit 5. Remote Control CTV. Glossary